Base | Representation |
---|---|
bin | 11000110010010100… |
… | …11011100100101100 |
3 | 1021100101121000202001 |
4 | 30121022123210230 |
5 | 204223102113133 |
6 | 10040240342044 |
7 | 650522125510 |
oct | 143112334454 |
9 | 37311530661 |
10 | 13307066668 |
11 | 5709546165 |
12 | 26b4614924 |
13 | 1340ba515c |
14 | 90345c140 |
15 | 52d3a987d |
hex | 31929b92c |
13307066668 has 24 divisors (see below), whose sum is σ = 27771270912. Its totient is φ = 5455070544.
The previous prime is 13307066639. The next prime is 13307066683. The reversal of 13307066668 is 86666070331.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10330930 + ... + 10332217.
It is an arithmetic number, because the mean of its divisors is an integer number (1157136288).
Almost surely, 213307066668 is an apocalyptic number.
It is an amenable number.
13307066668 is an abundant number, since it is smaller than the sum of its proper divisors (14464204244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13307066668 is a wasteful number, since it uses less digits than its factorization.
13307066668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20663181 (or 20663179 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 46.
The spelling of 13307066668 in words is "thirteen billion, three hundred seven million, sixty-six thousand, six hundred sixty-eight".
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